HSA.CED.A.3
Represent constraints by equations or inequalities, and by systems of equations and/or inequalities, and interpret solutions as viable or nonviable options in a modeling context.
Example Problems
We want the following inequality to be true:
Is a possible value for x?
Is a possible value for x?
We want the following inequality to be true:
Is a possible value for x?
Is a possible value for x?
We want the following inequality to be true:
Is a possible value for x?
Is a possible value for x?
Khan Academy ResourcesAge word problemsConstraint solutions of two-variable inequalitiesConstraint solutions of systems of inequalitiesInterpret points relative to a systemSystems of equations word problemsSolutions of inequalities: algebraicSolutions of inequalities: graphicalTwo-variable inequalities word problemsCreating systems in contextSystems of equations word problems (with zero and infinite solutions)Solutions of systems of inequalitiesSystems of inequalities word problemsAge word problem: Ben & WilliamAge word problem: Arman & DiyaAge word problem: ImranModeling with systems of inequalitiesSystems of equations with elimination: TV & DVDTesting solutions to inequalities Testing solutions to systems of inequalitiesSystems of equations with substitution: coinsSetting up a system of equations from context example (pet weights)Graphs of systems of inequalities word problemSystems of equations with elimination: coffee and croissantsSetting up a system of linear equations example (weight and price)Writing systems of inequalities word problemGraphs of two-variable inequalities word problemSystem of equations word problem: infinite solutionsSystems of equations with elimination: apples and orangesSystem of equations word problem: no solutionSolving two-variable inequalities word problemSystem of equations word problem: walk & rideWriting two-variable inequalities word problemSolving systems of inequalities word problemInterpreting two-variable inequalities word problem

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